<template>
  <div>
    <div class="shopcart">
      <div class="shopcart_content">
        <div class="content-left">
          <div class="logo-wrapper">
            <div class="logo" :class="amount>0?'highlight':''" @click="isShow">
              <i class="iconfont icon-shopping_cart highlight"></i>
            </div>
            <div class="num">{{amount}}</div>
          </div>
          <div class="price highlight">￥{{receive_price}}</div>
          <div class="desc">另需配送费￥{{shopInfo.deliveryPrice}}元</div>
        </div>
        <div class="content-right">
          <div class="pay" :class="deliveryPrince">
            {{delivery}}
          </div>
        </div>
      </div>
      <transition name="listMove">
      <div class="shopcart-list" v-show="show">
        <div class="list-header">
          <h1 class="title">购物车</h1>
          <span class="empty" @click="clearCart">清空</span>
        </div>
        <div class="list-content">
            <ul class="content">
              <li class="food" v-for="(food,index) in cartFoods" :key="index">
                <span class="name">{{food.name}}</span>
                <div class="price"><span>￥{{food.price}}</span></div>
                <div class="cartcontrol-wrapper">
                  <CartControl :food="food"></CartControl>
                </div>
              </li>
            </ul>
        </div>
      </div>
      </transition>
    </div>
    <div class="list-mask" v-show="show" @click="flag=!flag"></div>
  </div>
</template>
<script>
  import { mapState } from 'vuex'
  import { mapGetters } from 'vuex'
  import CartControl from '../../components/CartControl/CartControl.vue'
  import BScroll from 'better-scroll'
  import {MessageBox} from 'mint-ui'


  export default {
    data () {
      return {
        msg: "Hello Vue.js",
        flag:false,
      }
    },
    computed:{
      ...mapState(['cartFoods','shopInfo']),
      ...mapGetters(['receive_count','receive_price']),
      amount(){
        return this.receive_count
      },
      show(){
        if(this.receive_count===0){
          this.flag = false
          return this.flag
        }else {
          this.$nextTick(()=>{
            new BScroll('.list-content')
          })
          return this.flag
        }
      },
      deliveryPrince(){
        this.delivery = this.shopInfo.minPrice-this.receive_price
        if(this.delivery<=0){
          this.delivery ='立即付款'
          return 'enough'
        }else {
          this.delivery = `还差￥${this.delivery}元起送`
          return 'not-enough'
        }
      }
    },
    methods:{
      isShow(){
        if(this.receive_count===0){
          this.flag = false
        }else {
          this.flag = !this.flag
        }
      },
      clearCart(){
        MessageBox.confirm('Are you sure?').then(action => {
          this.$store.dispatch('clear_food_count')
        },cancel=>{
          console.log(2)
        })
      }
    },
    components:{
      CartControl
    }
  }
</script>

<style scoped lang="stylus" rel="stylesheet/stylus" type="text/stylus">
  @import "../../common/stylus/mixins.styl"
  .shopcart
    position fixed
    left 0
    bottom 0
    z-index 50
    width 100%
    height 48px
    .shopcart_content
      display flex
      background #141d27
      font-size 0
      color rgba(255, 255, 255, 0.4)
      .content-left
        flex 1
        .logo-wrapper
          display inline-block
          vertical-align top
          position relative
          top -10px
          margin 0 12px
          padding 6px
          width 56px
          height 56px
          box-sizing border-box
          border-radius 50%
          background #141d27
          .logo
            width 100%
            height 100%
            border-radius 50%
            text-align center
            background #2b343c
            &.highlight
              background $green
          .icon-shopping_cart
            line-height 44px
            font-size 24px
            color #80858a
            &.highlight
              color #fff
        .num
          position absolute
          top 0
          right 0
          width 24px
          height 16px
          line-height 16px
          text-align center
          border-radius 16px
          font-size 9px
          font-weight 700
          color #ffffff
          background rgb(240, 20, 20)
          box-shadow 0 4px 8px 0 rgba(0, 0, 0, 0.4)
      .price
        display inline-block
        vertical-align top
        margin-top 5px
        line-height 24px
        padding-right 12px
        box-sizing border-box
        font-size 16px
        font-weight 700
        color #fff
        &.highlight
          color #fff
      .desc
        display inline-block
        vertical-align bottom
        margin-bottom 15px
        margin-left -45px
        font-size 10px
    .content-right
      flex 0 0 105px
      width 105px
      .pay
        height 48px
        line-height 48px
        text-align center
        font-size 12px
        font-weight 700
        color #fff
        &.not-enough
          background #2b333b
        &.enough
          background #00b43c
          color #fff
    .ball-container
      .ball
        position fixed
        left 32px
        bottom 22px
        z-index 200
        transition all 0.4s cubic-bezier(0.49, -0.29, 0.75, 0.41)
        .inner
          width 16px
          height 16px
          border-radius 50%
          background $green
          transition all 0.4s linear
    .shopcart-list
      position absolute
      left 0
      top 0
      z-index -1
      width 100%
      transform translateY(-100%)
      &.listMove-enter-active, &.listMove-leave-active
        transition transform .3s
      &.listMove-enter, &.listMove-leave-to
        transform translateY(0)
      .list-header
        height 40px
        line-height 40px
        padding 0 18px
        background #f3f5f7
        border-bottom 1px solid rgba(7, 17, 27, 0.1)
        .title
          float left
          font-size 14px
          color rgb(7, 17, 27)
        .empty
          float right
          font-size 12px
          color rgb(0, 160, 220)
      .list-content
        padding 0 18px
        max-height 217px
        overflow hidden
        background #fff
        &ul
         position relative
        .food
          position relative
          padding 12px 0
          box-sizing border-box
          bottom-border-1px(rgba(7, 17, 27, 0.1))
          .name
            line-height 24px
            font-size 14px
            color rgb(7, 17, 27)
          .price
            position absolute
            right 90px
            bottom 12px
            line-height 24px
            font-size 14px
            font-weight 700
            color rgb(240, 20, 20)
          .cartcontrol-wrapper
            position absolute
            right 0
            bottom 6px
  .list-mask
    position fixed
    top 0
    left 0
    width 100%
    height 100%
    z-index 40
    backdrop-filter blur(10px)
    opacity 1
    background rgba(7, 17, 27, 0.6)
  &.fade-enter-active, &.fade-leave-active
    transition all 0.5s
  &.fade-enter, &.fade-leave-to
    opacity 0
    background rgba(7, 17, 27, 0)
</style>
